"čaw" meaning in Kalasha

{
  "etymology_templates": [
    {
      "args": {
        "1": "kls",
        "2": "sa",
        "3": "चतुर्",
        "4": "चत्वारः"
      },
      "expansion": "Sanskrit चत्वारः (catvāraḥ)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Sanskrit चत्वारः (catvāraḥ).",
  "head_templates": [
    {
      "args": {
        "1": "kls",
        "2": "numeral"
      },
      "expansion": "čaw",
      "name": "head"
    }
  ],
  "lang": "Kalasha",
  "lang_code": "kls",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Kalasha cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Kalasha entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "four; 4"
      ],
      "id": "en-čaw-kls-num-bEUzP~4O",
      "links": [
        [
          "four",
          "four"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡ɕaw/"
    }
  ],
  "word": "čaw"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "kls",
        "2": "sa",
        "3": "चतुर्",
        "4": "चत्वारः"
      },
      "expansion": "Sanskrit चत्वारः (catvāraḥ)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Sanskrit चत्वारः (catvāraḥ).",
  "head_templates": [
    {
      "args": {
        "1": "kls",
        "2": "numeral"
      },
      "expansion": "čaw",
      "name": "head"
    }
  ],
  "lang": "Kalasha",
  "lang_code": "kls",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Kalasha cardinal numbers",
        "Kalasha entries with incorrect language header",
        "Kalasha lemmas",
        "Kalasha numerals",
        "Kalasha terms derived from Sanskrit",
        "Kalasha terms inherited from Sanskrit",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "four; 4"
      ],
      "links": [
        [
          "four",
          "four"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/t͡ɕaw/"
    }
  ],
  "word": "čaw"
}